A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5998-01-463-7931
NSN 6110-01-423-1073
NSN 5985-00-890-9327
NSN 6610-01-141-6343
NSN 6620-00-994-9917
NSN 5855-00-198-3197
NSN 5895-01-169-9316
NSN 5925-01-521-3173
NSN 6610-00-939-2640
NSN 5915-01-546-2496
NSN 5935-01-551-1884
NSN 5945-01-216-2832